When Jimmy is shopping for fire insurance for his condo, he finds that the insurance companies all require smoke detectors be installed before they will issue a policy. This is a way for the insurance companies to help reduce the problem of ________

Monopolistically competitive firms increasing their advertising will definitely achieve which of the following?

A) shift their average total cost curve up B) shift their demand curve to the right C) increase their economic profit D) shift their demand curve to the right and shift their average total cost curve up

Consumers tend to maximize:

a. marginal utility. b. marginal utility per dollar. c. total utility. d. money holdings. e. consumer surplus.